 *{
	margin: 0;
	padding: 0;
	outline: none;
	border: 0;
}
body{
	background-image: url(../img/5.JPG);
	background-repeat: no-repeat;
	background-size: cover;
	background-attachment: fixed;
}
h1{
	margin:  150px auto;
	text-align: center;
	font-size: 120px;
	font-family: "宋体";
	color: #aa55ff;
	border: 4px solid #ff55ff;
	border-radius: 20px;
	font-weight: bold;
	width: 500px;
}